The Chemistry of the Monatomic Gases presents Chapters 5 and 6 from the book Comprehensive Inorganic Chemistry. The book deals with the monatomic gases of Group 0 of the Periodic Table. The discovery, origin, and occurrence in nature, both terrestrially and universally, of monatomic gases are discussed. The text also provides the group's properties, highlighting their similarities and progressive change of properties with atomic weight. Chemists and students studying chemistry will find the book a good reference material.